Heimdall breaks free of the ice and unleashes Uru hell on Frost giants.

Thor 2 The Dark World:

Thor and Heimdall share a moment as Heimdall reports what he sees happening on Midgard with Jane Foster.

Heimdall confronts the Dark Elves who are attempting to invade Asgard. He able to sense them and reveal just in time to warn Asgard. He is also manages to single handedly bring down one of their vessels.